# n=0
# while n<10:
#     n+=2
#     print(n)

# import xlrd,xlwt
# wb=xlrd.open_workbook('成绩单.xls')
# nwb=xlwt.Workbook(encoding='utf-8')
# nws=nwb.add_sheet('汇总表')
# nws.write(0,0,'序号')
# nws.write(0,1,'表名')
# n=0
# while n<wb.sheets().__len__():
#     nws.write(n+1,0,'第%d张表'%(n+1))
#     nws.write(n+1,1,wb.sheet_names()[n])
#     n+=1
# nwb.save('统计表.xls')

x,y=0,0
while x<9:
    x+=1
    while y<x:
        y+=1
        print('%dx%d=%d\t'%(y,x,y*x),end='')
    y=0
    print('')



